fixes to xp stuff, saturation and weather

src/main/java/carpet/fakes/HungerManagerInterface.java

@@ -3,4 +3,5 @@ package carpet.fakes;
 public interface HungerManagerInterface {
     float getExhaustionCM();
     void setExhaustionCM(float exhaust);
+    void setSaturationCM(float saturn);
 }

src/main/java/carpet/mixins/HungerManagerMixin_scarpetEventsMixin.java

@@ -8,13 +8,11 @@ import org.spongepowered.asm.mixin.Shadow;
 @Mixin(HungerManager.class)
 public class HungerManagerMixin_scarpetEventsMixin implements HungerManagerInterface {
     @Shadow private float exhaustion;
-    public float getExhaustionCM(){
-        return exhaustion;
-    }
-
+    @Shadow private float foodSaturationLevel;
     @Override
-    public void setExhaustionCM(float exhaust)
-    {
-        exhaustion = exhaust;
-    }
+    public float getExhaustionCM(){ return exhaustion; }
+    @Override
+    public void setExhaustionCM(float exhaust) { exhaustion = exhaust; }
+    @Override
+    public void setSaturationCM(float saturn) { foodSaturationLevel = saturn; }
 }

src/main/java/carpet/script/api/WorldAccess.java

@@ -420,16 +420,17 @@ public class WorldAccess {
             ServerWorld world = ((CarpetContext) c).s.getWorld();
 
             if(lv.size()==0)//cos it can thunder when raining or when clear.
-                return (_c,_t)->new StringValue( world.isThundering()? "thunder" : (world.isRaining()? "rain":"clear"));
-
+            {
+                Value ret = new StringValue(world.isThundering() ? "thunder" : (world.isRaining() ? "rain" : "clear"));
+                return (_c, _t) -> ret;
+            }
 
             Value weather = lv.get(0).evalValue(c);
             ServerWorldProperties worldProperties = ((ServerWorldInterface) world).getWorldPropertiesCM();
-
-            if(lv.size()==1) {
+            if(lv.size()==1)
+            {
                 int ticks;
-
-                switch (weather.getString()) {
+                switch (weather.getString().toLowerCase(Locale.ROOT)) {
                     case "clear":
                         ticks = worldProperties.getClearWeatherTime();
                         break;
@@ -442,11 +443,14 @@ public class WorldAccess {
                     default:
                         throw new InternalExpressionException("Weather can only be 'clear', 'rain' or 'thunder'");
                 }
-                return (_c,_t) -> new NumericValue(ticks);
-            } else if(lv.size()==2){
-                int ticks = ((NumericValue)lv.get(1).evalValue(c)).getInt();
-
-                switch (weather.getString()){
+                Value ret = new NumericValue(ticks);
+                return (_c,_t) -> ret;
+            }
+            if(lv.size()==2)
+            {
+                int ticks = NumericValue.asNumber(lv.get(1).evalValue(c), "tick_time in 'weather'").getInt();
+                switch (weather.getString().toLowerCase(Locale.ROOT))
+                {
                     case "clear":
                         world.setWeather(ticks,0,false,false);
                         break;
@@ -467,10 +471,10 @@ public class WorldAccess {
                     default:
                         throw new InternalExpressionException("Weather can only be 'clear', 'rain' or 'thunder'");
                 }
-
-                return LazyValue.TRUE;
-            } else
-                throw new InternalExpressionException("'weather' between 0 and 2 arguments");
+                Value ret = NumericValue.of(ticks);
+                return (_c, _t) -> ret;
+            }
+            throw new InternalExpressionException("'weather' requires 0, 1 or 2 arguments");
         });
 
         expression.addLazyFunction("pos", 1, (c, t, lv) ->

src/main/java/carpet/script/value/EntityValue.java

@@ -30,6 +30,7 @@ import net.minecraft.nbt.StringTag;
 import net.minecraft.nbt.Tag;
 import net.minecraft.network.packet.s2c.play.EntityPassengersSetS2CPacket;
 import net.minecraft.network.packet.s2c.play.EntityPositionS2CPacket;
+import net.minecraft.network.packet.s2c.play.ExperienceBarUpdateS2CPacket;
 import net.minecraft.network.packet.s2c.play.PlayerPositionLookS2CPacket;
 import net.minecraft.command.EntitySelector;
 import net.minecraft.command.EntitySelectorReader;
@@ -1354,26 +1355,35 @@ public class EntityValue extends Value
         });
 
         put("absorption", (e, v) -> {
-            if (e instanceof PlayerEntity) ((PlayerEntity) e).setAbsorptionAmount((float) NumericValue.asNumber(v).getLong());
+            if (e instanceof PlayerEntity) ((PlayerEntity) e).setAbsorptionAmount((float) NumericValue.asNumber(v, "absorbtion").getLong());
         });
 
         put("add_xp", (e, v) -> {
-            if (e instanceof PlayerEntity) ((PlayerEntity) e).addExperience(NumericValue.asNumber(v).getInt());
+            if (e instanceof PlayerEntity) ((PlayerEntity) e).addExperience(NumericValue.asNumber(v, "add_xp").getInt());
         });
 
         put("xp_level", (e, v) -> {
-            if (e instanceof PlayerEntity) ((PlayerEntity) e).addExperienceLevels(NumericValue.asNumber(v).getInt()-((PlayerEntity) e).experienceLevel);
+            if (e instanceof PlayerEntity) ((PlayerEntity) e).addExperienceLevels(NumericValue.asNumber(v, "xp_level").getInt()-((PlayerEntity) e).experienceLevel);
+        });
+
+        put("xp_progress", (e, v) -> {
+            if (e instanceof ServerPlayerEntity)
+            {
+                ServerPlayerEntity p = (ServerPlayerEntity) e;
+                p.experienceProgress = NumericValue.asNumber(v, "xp_progress").getFloat();
+                p.networkHandler.sendPacket(new ExperienceBarUpdateS2CPacket(p.experienceProgress, p.totalExperience, p.experienceLevel));
+            }
         });
 
         put("xp_score", (e, v) -> {
-            if (e instanceof PlayerEntity) ((PlayerEntity) e).setScore(NumericValue.asNumber(v).getInt());
+            if (e instanceof PlayerEntity) ((PlayerEntity) e).setScore(NumericValue.asNumber(v, "xp_score").getInt());
         });
 
         put("saturation", (e, v)-> {
-            if(e instanceof PlayerEntity) ((PlayerEntity) e).getHungerManager().setSaturationLevelClient(NumericValue.asNumber(v).getFloat());
+            if(e instanceof PlayerEntity) ((HungerManagerInterface) ((PlayerEntity) e).getHungerManager()).setSaturationCM(NumericValue.asNumber(v, "saturation").getFloat());
         });
 
-        put("air", (e, v) -> e.setAir(NumericValue.asNumber(v).getInt()));
+        put("air", (e, v) -> e.setAir(NumericValue.asNumber(v, "air").getInt()));
 
         put("breaking_progress", (e, a) -> {
             if (e instanceof ServerPlayerEntity)